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参数资料
| 型号： | MAX9934TALT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/19页 |
| 文件大小： | 0K |
| 描述： | IC AMP CURR SENSE LV 6UDFN |
| 标准包装： | 2,500 |
| 放大器类型： | 电流检测 |
| 电路数： | 1 |
| -3db带宽： | 1.5kHz |
| 电流 - 输入偏压： | 35µA |
| 电压 - 输入偏移： | 10µV |
| 电流 - 电源： | 120µA |
| 电压 - 电源，单路/双路(±)： | 2.5 V ~ 3.6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFBGA，CSPBGA |
| 供应商设备封装： | 6-uCSP（1.57x1.16） |
| 包装： | 带卷 (TR) |
MAX9934
High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
3
Maxim Integrated
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX9934T
25
Current Gain (Transconductance)
GM
MAX9934F
5
A/mV
TA = +25°C
±0.25
MAX9934T
-40°C
≤ TA ≤ +125°C
±2.0
TA = +25°C
±0.25
Current Gain Error
(Note 4)
GME
MAX9934F
-40°C
≤ TA ≤ +125°C
±2.4
%
MAX9934T
±200
Gain Error Drift
GME/dT
MAX9934F
±240
ppm/°C
Input-Bias Current for RS+
IBRS+
VRS+ = VRS- = 5.5V
0.1
100
nA
VRS+ = VRS-
≤ VCC - 0.2V
0.1
100
nA
Input-Bias Current for RS-
IBRS-
VRS+ = VRS- = 5.5V
35
60
A
Input Leakage Current
ILEK
VCC = 0V, VRS+ = VRS- = 5.5V
0.1
100
nA
DC CHARACTERISTICS
Minimum Current for Output Low
IOL
Unidirectional, VOL = IOL x ROUT
1
100
nA
VOH
IOUT = +600A, VOH = VCC - VOUT
0.1
0.25
Output-Voltage Range
(MAX9934T)
VOL
IOUT = -600A, bidirectional
0.15
0.25
V
VOH
IOUT = +375A, VOH = VCC - VOUT
0.18
0.30
Output-Voltage Range
(MAX9934F)
VOL
IOUT = -375A, bidirectional
0.18
0.26
V
Deselected Amplifier Output
Leakage
IOLK
VCS = 0V, VOUT = 3.6V,
and 0
≤ VCC ≤ 3.6V
0.1
100
nA
LOGIC I/O (CS)
Input Voltage Low CS
VIL
0.54
V
Input Voltage High CS
VIH
1.26
V
Input Current CS
IIL,IIH
0
≤ VCS ≤ VCC
0.1
100
nA
POWER SUPPLY
Supply-Voltage Range
VCC
Guaranteed by PSRR
2.5
3.6
V
Power-Supply Rejection Ratio
PSRR
2.5V
≤ VCC ≤ 3.6V,
VRS+ = VRS- = 2V (Note 3)
110
120
dB
Supply Current
ICC
VCC = 3.3V, ROUT = 10k
to 3.3V,
VRS+ = VRS- = 3.1V
120
230
A
Supply Current, Output
Deselected
ICC,DES
VCS = 0V, ROUT = 10k
to 3.3V,
VRS+ = VRS- = 3.1V
120
210
A
AC CHARACTERISTICS (CL = 1000pF)
MAX9934T
GM = 25A/mV, VSENSE = 5mV
1.5
Amplifier Bandwidth
BW
MAX9934F
GM = 5A/mV, VSENSE = 25mV
5
kHz
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.3V, VRS+ = VRS- = 3.0V, VSENSE = 0V, VCM = (VRS+ + VRS-)/2, VCS = 3.3V, ROUT = 10k to GND for unidirectional opera-
tion, ROUT = 10k to VCC/2 for bidirectional operation. TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA =
+25°C.) (Note 2)
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